Shipping wedge with lockout

• US 8,397,972 B2
• Filed: 03/18/2011
• Issued: 03/19/2013
• Est. Priority Date: 03/18/2011
• Status: Active Grant

• Current Assignee: Covidien LP (Medtronic Plc)
• Original Assignee: Covidien LP (Medtronic Plc)
• Inventors: Kostrzewski, Stanislaw
• Primary Examiner(s): Smith, Scott A.
• Application Number:
  US13/051,276
• Publication Number:
  US 20120234894A1
• Time in Patent Office: 732 Days
• Field of Search: 227/19, 227/175.1, 227/176.1, 227/180.1, 227/175.2, 227/175.3, 606/139, 606/219
• US Class Current: 227/175.2
• CPC Class Codes: A61B 17/068 Surgical staplers , e.g. containing multiple staples or clampsstaplers containing only one staple A61B17/10; magazines or containers for staples A61B17/105; for performing anastomosis A61B17/115; staplers in general B25C5/00
• CPC Class Codes: A61B 17/0686 having a forming anvil staying below the tissue during stapling
• CPC Class Codes: A61B 17/07207 the staples being applied sequentially
• CPC Class Codes: A61B 2017/00473 Distal part, e.g. tip or head A61B2017/00464 takes precedence
• CPC Class Codes: A61B 2017/0688 Packages or dispensers for surgical staplers
• CPC Class Codes: A61B 2017/07271 characterised by its cartridge
• CPC Class Codes: A61B 2017/07285 characterised by its cutter
• CPC Class Codes: A61B 2090/034 abutting on parts of the device itself
• CPC Class Codes: A61B 2090/038 during shipment
• CPC Class Codes: A61B 2090/0801 Prevention of accidental cutting or pricking

Abstract

A loading unit having a shipping safety device is provided for use with a surgical instrument. The loading unit includes a body portion, a movable operative device disposed in the body portion and an actuator associated with the body portion and operable to move the movable operative device. A locking member movably mounted in the body portion and movable in response to movement of the actuator. The locking member is movable between a first locked position and a second unlocked position. The removable safety device generally includes a base, a blocking member projecting from the base and engageable with the movable operative device and a lockout member projecting from the base and engageable with the locking member. Flexible arms extend from the base and engage the body portion of the loading unit. The removable safety device is locked to the body portion when the locking member is in the first locked position and is unlocked for removal from the body portion when the locking member it is in the second unlocked position.

Claims

1. A shipping wedge for use with a surgical instrument having a body portion comprising:

a base;

a blocking member depending from the base and engagable with a movable operative member of the surgical instrument;

flexible arms projecting from the base and being shaped to cooperate with the body portion of the surgical instrument; and

a locking member depending from the base and engageable with a lockout mechanism of the surgical instrument.

2. The shipping wedge as recited in claim 1, wherein the locking member includes an enlarged flange.

3. The shipping wedge as recited in claim 2, wherein the flange is a circular disc.

4. The shipping wedge as recited in claim 3, wherein the shipping wedge includes a downward extension connecting the circular disc to the base.

5. The shipping wedge as recited in claim 2, wherein the flexible arms are a first flexible arm and a second flexible arm depending from opposed sides of the base.

6. The shipping wedge as recited in claim 5, further comprising an alignment unit located at a distal end of the base and including a pair of distally projecting, flexible arms.

7. The shipping wedge as recited in claim 5, wherein the first and second flexible grasping arms are longitudinally spaced along the base.

8. The shipping wedge as recited in claim 7, further comprising second and third flexible arms depending from opposed sides of the base and longitudinally spaced from the first and second flexible arms.

9. The shipping wedge as recited in claim 6, further comprising a grasping frame extending from a side of the base opposite of the locked member.

10. The shipping wedge as recited in claim 9, further comprising an indicia plate located between the grasping frame and the base for display of various modes of informational indicia.

11. The shipping wedge as recited in claim 9, further comprising a flexible thumb tab extending from a proximal end of the grasping frame.

12. The shipping wedge as recited in claim 11, wherein the shipping wedge is formed from a polymeric material.

13. The shipping wedge as recited in claim 12, wherein the shipping wedge is intergrally formed.

14. The shipping wedge as recited in claim 1, wherein the blocking member is a distally facing hook engageable with a movable operative member of the surgical instrument.

15. A surgical instrument having a lockout mechanism, comprising:

a body portion;

an actuator movably mounted on the body portion;

a lockout mechanism including a locking plate movably mounted to the body portion;

a loading lock having a locking member, the locking plate being engageable with the locking member of the loading lock, the locking plate being movable in response to movement of the actuator between a locked position preventing removal of the loading lock from the body portion to an unlocked position allowing removal of the loading lock from the body portion, the loading lock having flexible arms shaped to cooperate with the body portion of the surgical instrument.

16. The surgical instrument as recited in claim 15, wherein the locking plate includes a keyhole slot engageable with the loading lock, the keyhole slot including a first narrower locking portion and a second enlarged unlocking portion.

17. The surgical instrument as recited in claim 15, wherein the locking plate is operatively connected to the actuator by an extension rod.

18. The surgical instrument as recited in claim 17, wherein the locking plate is biased to the locked position by a biasing spring mounted in the body portion.

19. The surgical instrument as recited in claim 15, wherein the body portion has a knife member and the loading lock has a hook insertable through a hole defined in the body portion and arranged to block movement of the knife member.

20. A loading unit having a shipping safety device comprising:

a body portion;

a movable operative device disposed in the body portion;

an actuator associated with the body portion and operable to move the movable operative device;

a locking member movably mounted in the body portion and movable in response to movement of the actuator, the locking member movable between a first locked position and a second unlocked position;

a removable safety device having a base;

a blocking member projecting from the base and engageable with the movable operative device; and

a lockout member projecting from the base and engageable with the locking member, wherein the removable safety device is locked to the body portion when the locking member is in the first locked position and is unlocked for removal from the body portion when the locking member it is in the second unlocked position.